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Type Vulnerability

Cisco

Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability

4 sourcesCVE-2026-76418CVE-2026-97229

At a glance

High
Suggested 24-hour window, counted from the last update
ActiveConfirmed in-the-wild exploitation
Evidence-weighted, not popularity
Signal

Actively exploited in the wild — prioritise confirming exposure.

Why High

High rather than Critical: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on Cisco Secure Firewall Threat Defense, treat it as Critical.

Briefing

There is no written leader briefing for this story yet. These questions come from the facts we hold.

Questions to ask IT

  • Do we run Cisco Secure Firewall Threat Defense and GitLab Community Edition and Enterprise Edition, and which versions?
  • Is any of it reachable from the internet?
  • Have we checked whether it has already been used against us?
  • If it is still not patched, what mitigation is in place, and what is holding the fix up?

Next steps

  1. Confirm exposure and remediation status for affected products

Summary

  • CISA has added two new vulnerabilities to its known-exploited catalogue, based on evidence of active exploitation.
  • CVE-2026-76418 is confirmed as exploited in the wild (US known-exploited catalogue)
  • CVE-2026-76418 has an estimated ~0.8% chance of attack in 30 days (57.3th percentile) as of 2026-11-02 — probability signal, not confirmed exploitation
  • Authoritative catalogues report active exploitation of this vulnerability.

Read the original reportSecurityWeek(opens in a new tab)

Products and services involved

Same event, different frames

Distinct often headline the same incident differently.

Pulse

Last checked yesterday · Recheck overdue since 8 Nov 2026, 10:10 UK time

Signal
7 Nov 2026, 10:10 UK time · yesterday

in the next 30 days rose from 27.3% to 65.2%.

rose materially — review inventory match and patch cadence.

EscalationDe-escalationCritical / liveWhat these mean
Drag to pan · Ctrl / ⌘ + scroll or pinch to zoom8 events

Sources

How we know

Statements extracted from sources. Higher confidence means stronger corroboration.

  • ClaimedHeadline60% confidence

    Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability

  • ProbableSummary fact75% confidence

    CISA has added two new vulnerabilities to its known-exploited catalogue, based on evidence of active exploitation.

  • ConfirmedCVE identifier95% confidence

    Event involves CVE-2026-76418

  • ConfirmedKnown-exploited catalogue98% confidence

    CVE-2026-76418 is confirmed as exploited in the wild (US known-exploited catalogue)

  • ConfirmedEstimated attack likelihood95% confidence

    CVE-2026-76418 has an estimated ~0.8% chance of attack in 30 days (57.3th percentile) as of 2026-11-02 — probability signal, not confirmed exploitation

  • ConfirmedCVE identifier95% confidence

    Event involves CVE-2026-97229

  • ConfirmedKnown-exploited catalogue98% confidence

    CVE-2026-97229 is confirmed as exploited in the wild (US known-exploited catalogue)

  • ConfirmedEstimated attack likelihood95% confidence

    CVE-2026-97229 has an estimated ~27.3% chance of attack in 30 days (98.1th percentile) as of 2026-11-02 — probability signal, not confirmed exploitation